Methyltriethoxysilane, 98%

Description

CAS: 2031-67-6 | C7H18O3Si | 178.30 g/mol

Methyltriethoxysilane is used in production of silicone polymers or silicone resin. It is used in non-metal surface treatment, non-aqueous polymer preparation, manufacture of semi-conductors, coatings and sealants. It finds application as cross linking agent and an adhesion promoter.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Methyltriethoxysilane is used in production of silicone polymers or silicone resin. It is used in non-metal surface treatment, non-aqueous polymer preparation, manufacture of semi-conductors, coatings and sealants. It finds application as cross linking agent and an adhesion promoter.

Solubility
Immiscible with water.

Notes
Moisture sensitive. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents and strong acids.

Specifications

Chemical Identifiers

• CAS: 2031-67-6
• Molecular Formula: C7H18O3Si
• Molecular Weight (g/mol): 178.30
• MDL Number: MFCD00009066
• InChI Key: CPUDPFPXCZDNGI-UHFFFAOYSA-N
• Synonym: methyltriethoxysilane, triethoxy methyl silane, methyl triethoxysilane, silane, triethoxymethyl, triethoxysilylmethane, union carbide a-162, ici-ep 5850, silane, methyltriethoxy, methaneorthosiliconic acid, triethyl ester, mtes
• PubChem CID: 16241
• IUPAC Name: triethoxy(methyl)silane
• SMILES: CCO[Si](C)(OCC)OCC

• Boiling Point: 141°C to 143°C
• Melting Point: <-50°C
• Quantity: 250 mL
• Linear Formula: CH₃Si(OCH₂CH₃)₃
• UN Number: UN1993
• Beilstein: 1742453
• Flash Point: 23°C (73°F)
• Solubility Information: Immiscible with water.
• Formula Weight: 178.3
• Percent Purity: 98%
• Odor: Mild
• Refractive Index: 1.3835
• Sensitivity: Moisture sensitive
• Density: 0.897
• Chemical Name or Material: Methyltriethoxysilane

Safety and Handling

Hazard Category	H226-H315-H319-H335
Hazard Statement	GHS H Statement H226-H335 Flammable liquid and vapor. May cause respiratory irritation.
Precautionary Statement	P210-P233-P235-P240-P241-P242-P243-P261-P264b-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P312-P332+P313-P363-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 3; Packing Group: III; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.
EINECSNumber	217-983-9
RTECSNumber	VV4640000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only